Hard Disks- What all you don't know !!

Although hard disk drives kept improving, state-of-the art disks were built according to the concept “bigger is better” well into the ‘80s. Hard disk drives were normally used together with big mainframe computers, so this was not such a big deal. Entire rooms were already set aside for the computers.

Here is a 250 MB hard disk drive from 1979.

IBM introduced the first hard disk drive to break the 1 GB barrier in 1980. It was called the IBM 3380 and could store 2.52 GB (500 times more than the consumer options at the time). Its cabinet was about the size of a refrigerator and the whole thing weighed in at 550 pounds (250 kg).For a visual on how hard disk drive sizes have changed since the ‘80s until today, have a look at the below image with an old 8-inch drive all the way down to today’s 3.5-inch, 2.5-inch and 1.8-inch drives.

Click to know how a Hard Disk works !!
- By animagraffs

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